Home / 14,320.05-21,487.91-5,555.31

Finding the Fourth Proportional to 14,320.05, 21,487.91 and 5,555.31

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Solution

The fourth proportional to 14,320.05, 21,487.91 and 5,555.31 is: 8,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.05 : 21,487.91 = 5,555.31 : x
  2. Step 2: Convert to fraction form
    14,320.05/21,487.91 = 5,555.31/x
  3. Step 3: Cross multiply
    14,320.05x = 21,487.91 × 5,555.31
  4. Step 4: Simplify right side
    14,320.05x = 119,371,973.53
  5. Step 5: Solve for x
    x = 119,371,973.53/14,320.05
  6. Step 6: Final answer
    x = 8,336.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.